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US 3,944,734 AGranted
Video projecting system
AssigneeSony Corporation
InventorYoshio Ogawa
Life of this patent
Estimating the term…
Abstract
A video projecting system having a cabinet with one end being opened, a screen in the cabinet and its upper portion, a movable side board attached to the cabinet at the lower side of its opening, and a projector and a mirror both attached to the movable side board on its inner surface, in which when the movable side board is drawn out a picture from the projector is reflected on the mirror and then projected onto the screen.
Claims4
A video projecting apparatus comprising an upright cabinet having an opening at the front thereof;
- a screen mounted within the upper portion of said cabinet so as to be viewable through the corresponding portion of said opening of the cabinet;
- a front wall member pivotally mounted, at its lower end, on said front of the cabinet for swinging movement between a closed position, in which said front wall member closes the lower portion of said opening, and an operative position, in which said front wall member is inclined upwardly and outwardly from said front of the cabinet for preventing the impingement on the screen of light that is reflected upwardly from in front of the front wall member;
- a projector mounted on said front wall member in back of the latter for projecting a video image upwardly and forwardly in respect to said screen when said front wall member is in said operative position;
- and a mirror mounted at the upper portion of said front wall member for reflecting said video image from said projector against said screen when said front wall member is in said operative position.
1 more element
Dependencies are inferred from the claim text.